358 EUPHORBIAGEAE. 



EUPHORBIA. 



lunatis, utrinque acutis ; capsulis ? — Habitat in Abyssiniae montibus prope 



Tchelatcherane. 



20. ED. CONVOLVULOIDES Hochst. mss. ex Bnth in Hooker, Niger Flora 499. + — 

 Herbacea stipulata prostrata : ramis villosis; foliis oppositis sessilibus ovatis oblongjsve, 

 basi valde obliquis crassiusculis, snpra viridibu.s parce pilosis, subtus appresse tomen- 

 tosis; floribus in capitula axillaria sessilia, nunc in ramulos breves foliatos abeuntia 

 confertis; involucri dentibus exterioribus orbiculato - reniformibus parvis ; capsula 

 dense tomentosa ; seminibus subtetragonis transverse rugosis. — Ad Anisophylla per- 

 tinet. — Crescit ia Africa tropica occidentali. 



21. EU. INAEQUILATERA Sonder, Linnaea XXIII. 165. f — Annua diflusa glabra: cau- 

 libus debilibus angulatis subramosis; stipulis setaceis ; foliis oppositis brevissime pe- 

 tiolalis obovato-oblongis obtusis, basi inaequilateris, margine inferiori anticeque acute 

 serratis, margine superiore subintegerrimo vel semiserrato; floribus axillaribus solita- 

 riis ; capsula seminibusque laevibus glabris. — Ad Anisophylla pertinet. — Port 

 Natal. 



d. Americanae. 



22. EU. DISCOLOR Bertoloni in Schlchtdt. Bot. Zeitung IX. pag. 919. + — Caule erecto 

 simplici pubescente ; foliis linearibus, breviter petiolatis discoloribus ; panicula termi- 

 nali dichotoma elongata; perigonii segmentis grandiusculis petaloideis. — Alabama. 



23. EU. GEYERl Engelm. Boston jonrn. V. 260. adn. + — Depressa humilis: foliis oblon- 

 gis retusis integerrimis glaberrimis; stipulis selaceo - multifidis ; involucri appen- 

 dicibus petaloideis: seminibus minoribus quam m E. polygonifolia cinereis. — Illinois, 

 Missouri. 



24. EU. ARKANSANA Engelm. & Gray, Boslon journ. V. 261. — Annua gracilis gla- 

 berrima: caule erecto ramoso; foliis sparsis spathulato-obovatis, apicern versus serru- 

 latis mucronato-acutis, sessilibus, inferioribus in petiolum angustalis; umbellis tricho- 

 tomis bis dichotomis; bracteis rotundatis subcordato - ovalis mucronatis serrulatis ; 

 glandulis involucri (aurantiacis) orbiculatis; capsulis verrucosis; seminibus (brunneis) 

 reticulatis. — Habitat in republica Texensi. 



25. EU. BICOLOR Engelm. Boston journ. V. 233. — Annua: caule erecto, foliis bracteis- 

 que undiqu-e villosisseu pilosis; foliis subsessilibus oblongo-lanceolatis vel lineari-ob- 

 longis cuspidatis, basi obtusis; bracteis lineari-ligulatis elongalis, basi attenualis, mar- 

 gine membranaceis decolorato - albidis; glandulis involucri villosi margine petaloideis 

 suborbiculatis; capsulis dense lanalis ; seminibus sparsim rugulosis. 



(5. concolor: marginibus decoloratis bractearum angustissimis aut subnullis; foliis 

 latioribus. — In republica Texensi. 



26. EU. ROEMERIANA Scheele, Linnaea XXII 151. + — Caulis ascendens herbaceus te- 

 retiusculus glaber a basi ramosus pedalis — sesquipedalis. Folia alterna exstipulala obo- 

 vato-spathulata , inferiora snbiolundo - spatbulala, utrinque glabra, in petiolum abrupte 

 angustata emarginala mucronulata, apice serrulala, sublus glaucescentia. Umbellae 

 trifldae rami dichoiomi glabri elongaii. Involucra libera subrotundo - ovata emarginata 

 glabra , pagina inferiori glandulis elevalis paucis minutis atrosanguineis obsita. Invo- 

 lucella connaia semioi bicularia mryronata ghtbra obsolete serrulata , pagina inferiori 

 glaucescentia. Glandulae (in sicco sanguineae) bicornes. Capsulae glabrae laevis cocci 

 dorso carinati. Semina glabra irigona cinerea cariosa. — Crescit in sylvis umbrosis 

 prope Neubraunfels in Texade. 



27. EU. LONGICRLRIS Scheele I. c. 152. + — Caulis herbaceus erectus siraplex teretius- 

 culus glaber foliosus. Folia alterna exstipulata obovato- cuneala truncata vel obscure 



